{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,24]],"date-time":"2026-03-24T21:12:46Z","timestamp":1774386766466,"version":"3.50.1"},"reference-count":45,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2009,9,30]],"date-time":"2009-09-30T00:00:00Z","timestamp":1254268800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>In this paper, the investigation and detailed modeling of a cascaded Raman laser, operating in the midwave infrared region, is described. The device is based on silicon-on-insulator optical waveguides and a coupled resonant microcavity. Theoretical results are compared with recent experiments, demonstrating a very good agreement. Design criteria are derived for cascaded Raman lasers working as continuous wave light sources to simultaneously sense two types of gases, namely C2H6 and CO2, at a moderate power level of 130 mW.<\/jats:p>","DOI":"10.3390\/s91007814","type":"journal-article","created":{"date-parts":[[2009,9,30]],"date-time":"2009-09-30T13:09:17Z","timestamp":1254316157000},"page":"7814-7836","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["Investigation of SOI Raman Lasers for Mid-Infrared Gas Sensing"],"prefix":"10.3390","volume":"9","author":[{"given":"Vittorio M. N.","family":"Passaro","sequence":"first","affiliation":[{"name":"Dipartimento di Elettrotecnica ed Elettronica, Politecnico di Bari, via Edoardo Orabona n. 4, 70125 Bari, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Francesco","family":"De Leonardis","sequence":"additional","affiliation":[{"name":"Dipartimento di Ingegneria dell\u2019Ambiente e per lo Sviluppo Sostenibile, Politecnico di Bari, viale del Turismo n. 8, 74100 Taranto, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2009,9,30]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"840","DOI":"10.1088\/1464-4258\/8\/10\/004","article-title":"Silicon waveguided components for the long-wave infrared region","volume":"8","author":"Soref","year":"2006","journal-title":"J. Opt. A: Pure Appl. 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